[clang] [CIR] Upstream initial support for complete record types (PR #135844)

[Erich Keane via cfe-commits]

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@@ -126,6 +130,12 @@ void CIRRecordLowering::lower() {
     return;
   }
 
+  if (isa<CXXRecordDecl>(recordDecl)) {
+    cirGenTypes.getCGModule().errorNYI(recordDecl->getSourceRange(),
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erichkeane wrote:

Oh my!  This ends up being harsher than I expected!  This means no record-types in C++ at all (even ones that don't do anything).  But if that is the level of support we have, I'm ok with it.

I presume a soon-to-be used patch will reduce this to '!virtual && !getNumBases` etc.

https://github.com/llvm/llvm-project/pull/135844